When averaging is not the answer, and what to do about it.
Poincaré Embeddings for Learning Hierarchical Representations E. Totoni, T. A. Anderson, T. Shpeisman Neural Embeddings of Graphs in Hyperbolic Space B...
Generalizations of various arithmetic properties of the system of integers.
Generalizations of the real and complex number systems
Method of constructing larger groups out of a collection of groups
An introduction to commutative diagrams, a compact language for describing algebraic objects and structure-preserving maps between them.
A quick overview of elementary set theory, covering the basic terminology, relations and functions, equivalence relations and quotient sets, cartesian produc...
On Kirby–Paris Hydra game, which involves killing off a particularly vicious modern variant of the Lernaean Hydra